package org.spark.api;

import org.apache.commons.codec.digest.DigestUtils;

import java.time.LocalDate;
import java.time.ZoneId;

/**
 * @author chenwy
 */
public class ReflectTest {

    public static void main(String[] args) {


        System.out.println("9999999999".compareTo("2020"));

        System.out.println(DigestUtils.sha1Hex("583405411993"));

        System.out.println(LocalDate.now(ZoneId.systemDefault()).getDayOfMonth());

    }
}
